from launch import LaunchDescription
from launch_ros.actions import Node
from ament_index_python.packages import get_package_share_directory  
import os   
def generate_launch_description():
   
     # 创建节点配置 
    chache = Node(
            package='sqchache',
            executable='chache',
            name='chache'   #这个一定要和yaml文件第一行对应！
           # parameters=[config_path],  # 关键参数注入  
        
          
    )
   
    return LaunchDescription([chache])